The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In ssl_certificate:handle_incomplete_chain/5, the received chain is passed to ssl_certificate:build_certificate_chain/5, which walks issuer relationships via ssl_certificate:do_certificate_chain/7 with no cycle detection and no depth limit. When the peer supplies two mutually cross-signed certificates in unordered form (A issues B, B issues A), the issuer lookup alternates between the two certificates and the pair of functions recurses indefinitely, growing the call stack and chain accumulator without bound. An unauthenticated remote attacker can send a crafted certificate chain in a TLS or DTLS Certificate handshake message to exhaust available memory and crash the BEAM node. Only a TCP connection and a partial handshake are required; no authentication or completed handshake is needed, and both TLS/DTLS servers and clients are affected when processing peer certificate messages. This issue affects OTP from OTP 23.2 before OTP 29.0.4, OTP 28.5.0.4 and OTP 27.3.4.15, corresponding to ssl from 10.2 before 11.7.4, 11.6.0.4 and 11.2.12.11.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3579-1 advisory.

    - CVE-2026-28810: predictable DNS transaction IDs can cause DNS cache poisoning (bsc#1261726).
    - CVE-2026-42789: `public_key` application accepts non-CA certificates as intermediate issuers and this     enables chain       forgery (bsc#1266449).
    - CVE-2026-42790: Name constraints and `Subject CommonName` fallback in TLS hostname verification allows     for certificate       forgery by MITM attacker (bsc#1266466).
    - CVE-2026-42792: permanent `epmd` DoS via connection slot exhaustion due to improper handling of     exceptional       conditions (bsc#1272908).
    - CVE-2026-47078: relative path traversal in `zip:unzip/zip:extract` via `check_dir_level` depth-counter     bypass       (bsc#1272909).
    - CVE-2026-48855: SFTP `READLINK` response leaks absolute backend filesystem path when root is configured     (bsc#1268139).
    - CVE-2026-48856: `httpc` leaks `Authorization` headers to cross-origin redirect targets (bsc#1268141).
    - CVE-2026-48858: server-side request forgery allows FTP bounce attacks and SSRF via an unvalidated `PASV`     response IP       address (bsc#1268142).
    - CVE-2026-48860: `ssl` (`inet_tls_dist` module) allows unauthenticated bypass of the distribution-over-     TLS LAN       allowlist (bsc#1268146).
    - CVE-2026-49759: unbounded stack buffer overflow in SCTP error cause parsing in `inet_drv` (bsc#1268163).
    - CVE-2026-49760: stack buffer overflow in `ei_s_print_term` at very large integer (bsc#1268164).
    - CVE-2026-53422: SFTP `REALPATH` path-existence oracle allows filesystem enumeration outside configured     root       (bsc#1270245).
    - CVE-2026-54886: SSH SFTP server denial of service via extended channel data infinite loop (bsc#1270246).
    - CVE-2026-54887: use of default cryptographic key allows predictable DTLS cookie computation during the     startup window       (bsc#1270247).
    - CVE-2026-54891: plaintext injection towards (D)TLS client during handshake (bsc#1270250).
    - CVE-2026-55737: heap pointer corruption via signed/unsigned mismatch in `LARGE_TUPLE_EXTP` decoding in     `erts`       external term format decoder (bsc#1272910).
    - CVE-2026-55950: time-of-check time-of-use race condition allows an unauthenticated remote attacker to     crash all active       DTLS sessions on a listener (bsc#1270253).
    - CVE-2026-55952: missing validation allows for DoS of the TLS-1.3 server when clients send a malformed     `ClientHello`       with mismatched PSK identity and binder list lengths (bsc#1270258).
    - CVE-2026-55953: TLS 1.2 and DTLS clients accept unoffered anonymous cipher suites and allow for server     authentication       bypass (bsc#1272911).
    - CVE-2026-58227: TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate     chain       (bsc#1272913).
    - CVE-2026-59250: `megaco` flex scanner buffer overflow via oversized property parm name (bsc#1272914).
    - CVE-2026-59251: denial of service via exponential certificate policy tree growth in path validation     (bsc#1272915).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Erlang/OTP installed on the remote host is 23.2 prior to 27.3.4.15, 28.0 prior to 28.5.0.4, or 29.0 prior to 29.0.4. It is, therefore, affected by a vulnerability:

  - The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer     certificate chain during a TLS or DTLS handshake. When the peer supplies two mutually     cross-signed certificates in unordered form, the issuer lookup recurses indefinitely, growing     the call stack without bound. An unauthenticated remote attacker can send a crafted certificate     chain to exhaust available memory and crash the BEAM node. (CVE-2026-58227)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate     chain during a TLS or DTLS handshake. In ssl_certificate:handle_incomplete_chain/5, the received chain is     passed to ssl_certificate:build_certificate_chain/5, which walks issuer relationships via     ssl_certificate:do_certificate_chain/7 with no cycle detection and no depth limit. When the peer supplies     two mutually cross-signed certificates in unordered form (A issues B, B issues A), the issuer lookup     alternates between the two certificates and the pair of functions recurses indefinitely, growing the call     stack and chain accumulator without bound. An unauthenticated remote attacker can send a crafted     certificate chain in a TLS or DTLS Certificate handshake message to exhaust available memory and crash the     BEAM node. Only a TCP connection and a partial handshake are required; no authentication or completed     handshake is needed, and both TLS/DTLS servers and clients are affected when processing peer certificate     messages. This issue affects OTP from OTP 23.2 before OTP 29.0.4, OTP 28.5.0.4 and OTP 27.3.4.15,     corresponding to ssl from 10.2 before 11.7.4, 11.6.0.4 and 11.2.12.11. (CVE-2026-58227)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 445d3f14-89e1-11f1-b35c-4c526214c986 advisory.

    https://github.com/erlang/otp/security/advisories/GHSA-r5jr-mq46-vmhw reports:
    A TLS/DTLS peer can crash the remote node by sending a               certificate chain containing two mutually cross-signed               certificates in unordered form. When the receiving side               attempts to build a valid chain path, it enters unbounded               recursion between the two certificates (A issues B, B issues               A) with no cycle detection or depth limit. The call stack and               chain accumulator grow without bound until the process               exhausts available memory and the BEAM node crashes.

Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
335097	SUSE SLES15 Security Update : erlang26 (SUSE-SU-2026:3579-1)	Nessus	SuSE Local Security Checks	Local	critical
331347	Erlang/OTP 23.2 < 27.3.4.15 / 28.0 < 28.5.0.4 / 29.0 < 29.0.4 Certificate Chain Cycle DoS (CVE-2026-58227)	Nessus	Misc.	Local	high
330376	Linux Distros Unpatched Vulnerability : CVE-2026-58227	Nessus	Misc.	Local	high
330270	FreeBSD : Erlang/OTP -- TLS denial of service using invalid certificate chains (445d3f14-89e1-11f1-b35c-4c526214c986)	Nessus	FreeBSD Local Security Checks	Local	high

Detections

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CVE-2026-58227

high

Tenable Plugins

critical

high

high

high